NIS/NIS+/yp command files must not have extended ACLs.

From AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE

Part of GEN001361

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-38691r1_rule NIS/NIS+/yp command files must not have extended ACLs.

Vulnerability discussion

NIS/NIS+/yp files are part of the system's identification and authentication processes and are, therefore, critical to system security. ACLs on these files could result in unauthorized modification, which could compromise these processes and the system.

Check content

Determine if any NIS/NIS+/yp command files have an extended ACL. Check if extended permissions are disabled. Procedure: # aclget /var/nis # aclget /var/yp If extended permissions are not disabled, this is a finding.

Fix text

Remove the extended ACL from the NS/NIS+/yp command file(s) and disable extended permissions. #acledit < directory >/< file >

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